253335261 has 8 divisors (see below), whose sum is σ = 338749600. Its totient is φ = 168405552.

The previous prime is 253335253. The next prime is 253335281. The reversal of 253335261 is 162533352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253335261 - 2³ = 253335253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253335221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119935 + ... + 122028.

It is an arithmetic number, because the mean of its divisors is an integer number (42343700).

Almost surely, 2^253335261 is an apocalyptic number.

It is an amenable number.

253335261 is a deficient number, since it is larger than the sum of its proper divisors (85414339).

253335261 is a wasteful number, since it uses less digits than its factorization.

253335261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242315.

The product of its digits is 16200, while the sum is 30.

The square root of 253335261 is about 15916.5090707730. The cubic root of 253335261 is about 632.7496021021.

The spelling of 253335261 in words is "two hundred fifty-three million, three hundred thirty-five thousand, two hundred sixty-one".